Reciprocating pump



FIG. 1 is a perspective view of a reciprocating pump embodying my design, as viewed from the front thereof;

FIG. 2 is a perspective view of the reciproctiong pump, as viewed from the back thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right side view elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a cross sectional view of FIG. 7 taken along line 9--9;

FIG. 10 is a cross sectional view of FIG. 3 taken along line 10--10; and,

FIG. 11 is a cross sectional view of FIG. 3 taken along line 11--11. 

The ornamental design for a reciprocating pump, as shown and described. 